Mark Harris
Mark Harris
@markyharris
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Joined: Jan 3, 2020
Last seen: Nov 21, 2024
Topics: 22 / Replies: 537
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RE: Remote I/O Error writing to OLEDs

The error you see 'tca_select(j)' is the script assuming you are using more than 1 OLED. With more than 1 OLED, the use of a Multiplexer is required, ...

4 years ago
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RE: Wind Direction Display

Yes, just substitute the first code snippet for the 2nd code snippet below. I tried it and it works well. else: #draw wind direction using numbers ...

4 years ago
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RE: Wind Direction Display

This isn't very elegant but it will work. ap, wndsp = txt.split('\n')txt = ap + '\n' + str(dir) + chr(176) + '@' + wndsp It deconstructs the 't...

4 years ago
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RE: OLED schematic

Good question, and great catch. I am making the assumption that the only time the 'On' button would be pressed is when the RPI is powered down, and th...

4 years ago
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RE: Wind Direction Display

Around Line 302, replace this function with the one there (or make the changes); def oledcenter(txt, ch, font, wndir=0, dim=dimswitch, onoff = 0, pa...

5 years ago
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RE: Wind Direction Display

Mez, I was able to play with this a bit and it looks doable. It should be in the next release. It will be setup in such a way as the builder can choos...

5 years ago
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RE: Errors with 3.1 during boot

I'm sorry they sent you the wrong type. Here's a link to another source on Amazon. Here's a pic from that product page that shows the 3 wire setup alo...

5 years ago
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RE: Wind Direction Display

Mez, I can look at doing that. The reason for the arrow was to limit the space needed so that the font could remain as big as possible. If we are able...

5 years ago
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RE: Settings to change the frequency of the blinks and possibly the legend base color

Hi Lance, That is going to be an awesome map with that many LED's. I can't wait to see a picture of it. If I understand your first question; Yes you...

5 years ago
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RE: Errors with 3.1 during boot

The software was written for WS2811 string or WS2812 strip which only use 3 wires, +5v, Gnd and Data. If your string has a fourth wire for a Clock sig...

5 years ago
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RE: Startup map

Yes, this will be fixed in an upcoming update. However, if you don't mind editing the script a bit you should be able to help this. From the command...

5 years ago
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RE: Errors with 3.1 during boot

Hi, Sorry for the issues. The errors you are getting have to do with the OLED display feature. So if you are not using the OLED display feature be s...

5 years ago
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RE: Power for Pi

Hi Mez, That's how I've wired all the ones I've built. I use the power supply for the LED's to supply 5v to pins 2 and 4, and Grd to pin 6. I haven...

5 years ago
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RE: Refresh Button

The refresh push button is connected to ground on one pin and then to 15 of the RPI. 16 on the RPI is not the correct pin. Here's a schematic that ...

5 years ago
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RE: v3.1 image first run fails

The info for setting up the wifi on the RPI can be found here; . Its about 1/4 of the way down the page under the heading of Basic Configuration. Ho...

5 years ago
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